47407259domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of (n+2) X (n+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3 X 3 subblock summing to 2 or 4.at n=5A251674Number of (n+2)X(6+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 or 4.at n=5A251680Prime numbersat n=2854700